Question

What is the common character of the organisms listed below?

Ant, Spider, Octopus, Amoeba, Starfish

• A. They all live in water
• B. They all lack backbone
• C. They all have scales on their body
• D. They all lay eggs

Answer 1

The correct option is B They all lack backbone

• Invertebrates are animals that do not have backbones, also called vertebrae or spinal bones.
• Of the planet's estimated 15-30 million animal species, 90% or more are invertebrates.
• Invertebrates live just about anywhere. They come in many shapes and sizes, live practically anywhere and provide many services that are vital for our survival. Some examples of Invertebrates are Octopus, Ants, Octopus, Amoeba etc.